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Politics : Formerly About Advanced Micro Devices
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To: Wharf Rat who wrote (894200)10/16/2015 10:50:40 AM
From: combjelly  Read Replies (1) of 1576905
 
"What has been the highest CO2 level in earths history"

Wrong question.

It is also a stupid question. In the course of reaching those heights, there was the incident known as The Great Dying. The elevated CO2 levels and resulting climate change are the prime suspects in that event. Given that plants were only minimally affected, this is a reasonable conclusion.
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